Match items of column (A) with items of column (B)
(A) (B)
(a) Naked seed (A) Angiosperms
(b) Covered seed (B) Gymnosperms
(c) Flagella (C) Bryophytes
(d) Marchantia (D) Euglena
(e) Marsilea (E) Thallophyta
(f) Cladophora (F) Pteridophyta
(g) Penicillium (G) Fungi
Describe an activity to show that the incident ray, the reflected ray and
the normal at the point of incidence lie in the same plane.
Mention against each of the following whether regular or diffused reflection
will take place when a beam of light strikes. Justify your answer in each
case.
(a) Polished wooden table (b) Chalk powder
(c) Cardboard surface (d) Marble floor with water
spread over it
(e) Mirror (f) Piece of paper
Match items of column (A) with items of column (B)
(A) (B)
(a) Naked seed (A) Angiosperms
(b) Covered seed (B) Gymnosperms
(c) Flagella (C) Bryophytes
(d) Marchantia (D) Euglena
(e) Marsilea (E) Thallophyta
(f) Cladophora (F) Pteridophyta
(g) Penicillium (G) Fungi
Differentiate between regular and diffused reflection. Does diffused
reflection mean the failure of the laws of reflection?
Suppose you are in a dark room. Can you see objects in the room? Can
you see objects outside the room. Explain.
You are provided with the seeds of gram, wheat, rice, pumpkin, maize and
pea. Classify them whether they are monocot or dicot.
Fill in the blanks
(a) Fungi shows———mode of nutrition.
(b) Cell wall of fungi is made up of ———.
(c) Association between blue green algae and fungi is called as———.
(d) Chemical nature of chitin is ———.
(e) ———has smallest number of organisms with maximum number of similar characters
(f) Plants without well differentiated stem, root and leaf are kept in ———.
(g) ———are called as amphibians of the plant kingdom.
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